Question
Find roots of polynomial $$ p(x) = -20x+10716 $$
Answer
The root of polynomial $ p(x) $ is:
$$ \begin{aligned}x &= \dfrac{ 2679 }{ 5 } \end{aligned} $$Explanation
$$ \begin{aligned} -20x+10716 & = 0 \\[1 em]
-20 \cdot x & = -10716 \\[1 em]
x & = - \frac{ 10716 }{ -20 } \\[1 em]
x & = - \frac{ 10716 : 4 }{ -20 : 4} \\[1 em]
x & = \frac{ 2679 }{ 5 }
\end{aligned} $$
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